/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendController.h
Synchronizes all dependency Metadata in document with that found in the registry. If not found in the registry, no action taken. Returns array of pointers to classes that were modified.
[TArray](API\Runtime\Core\Containers\TArray)< [FConstClassAccessPtr](API\Plugins\MetasoundFrontend\FConstClassAccessPtr) > SynchronizeDependencyMetadata()